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» Specification of nonmonotonic reasoning
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CSL
2010
Springer
15 years 7 months ago
The Complexity of Positive First-Order Logic without Equality II: The Four-Element Case
We study the complexity of evaluating positive equality-free sentences of first-order (FO) logic over fixed, finite structures B. This may be seen as a natural generalisation of th...
Barnaby Martin, Jos Martin
LPAR
2010
Springer
15 years 4 months ago
Qex: Symbolic SQL Query Explorer
We describe a technique and a tool called Qex for generating input tables and parameter values for a given parameterized SQL query. The evaluation semantics of an SQL query is tra...
Margus Veanes, Nikolai Tillmann, Jonathan de Halle...
AAMAS
2004
Springer
15 years 6 months ago
Temporal Development Methods for Agent-Based
In this paper we overview one specific approach to the formal development of multi-agent systems. This approach is based on the use of temporal logics to represent both the behavio...
Michael Fisher
CADE
2006
Springer
16 years 6 months ago
Partial Recursive Functions in Higher-Order Logic
Abstract. Based on inductive definitions, we develop an automated tool for defining partial recursive functions in Higher-Order Logic and providing appropriate reasoning tools for ...
Alexander Krauss
GEOS
2005
Springer
15 years 12 months ago
A Qualitative Trajectory Calculus and the Composition of Its Relations
Continuously moving objects are prevalent in many domains. Although there have been attempts to combine both spatial and temporal relationships from a reasoning, a database, as wel...
Nico Van de Weghe, Bart Kuijpers, Peter Bogaert, P...